/*
 * WPA Supplicant - Common definitions
 * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Alternatively, this software may be distributed under the terms of BSD
 * license.
 *
 * See README and COPYING for more details.
 */

#ifndef DEFS_H
#define DEFS_H

#ifdef FALSE
#undef FALSE
#endif
#ifdef TRUE
#undef TRUE
#endif
typedef enum { FALSE = 0, TRUE = 1 } Boolean;


#define WPA_CIPHER_NONE BIT(0)
#define WPA_CIPHER_WEP40 BIT(1)
#define WPA_CIPHER_WEP104 BIT(2)
#define WPA_CIPHER_TKIP BIT(3)
#define WPA_CIPHER_CCMP BIT(4)
#ifdef CONFIG_IEEE80211W
#define WPA_CIPHER_AES_128_CMAC BIT(5)
#endif /* CONFIG_IEEE80211W */

#define WPA_KEY_MGMT_IEEE8021X BIT(0)
#define WPA_KEY_MGMT_PSK BIT(1)
#define WPA_KEY_MGMT_NONE BIT(2)
#define WPA_KEY_MGMT_IEEE8021X_NO_WPA BIT(3)
#define WPA_KEY_MGMT_WPA_NONE BIT(4)
#define WPA_KEY_MGMT_FT_IEEE8021X BIT(5)
#define WPA_KEY_MGMT_FT_PSK BIT(6)
#define WPA_KEY_MGMT_IEEE8021X_SHA256 BIT(7)
#define WPA_KEY_MGMT_PSK_SHA256 BIT(8)
#define WPA_KEY_MGMT_WPS BIT(9)
#ifdef CONFIG_CCKM
#define WPA_KEY_MGMT_CCKM BIT(10)
#else
#define WPA_KEY_MGMT_CCKM 0
#endif

static inline int wpa_key_mgmt_wpa_ieee8021x(int akm)
{
  return akm == WPA_KEY_MGMT_IEEE8021X ||
    akm == WPA_KEY_MGMT_FT_IEEE8021X ||
    akm == WPA_KEY_MGMT_IEEE8021X_SHA256 || 
    akm == WPA_KEY_MGMT_CCKM;
}

static inline int wpa_key_mgmt_wpa_psk(int akm)
{
  return akm == WPA_KEY_MGMT_PSK ||
    akm == WPA_KEY_MGMT_FT_PSK ||
    akm == WPA_KEY_MGMT_PSK_SHA256;
}

static inline int wpa_key_mgmt_ft(int akm)
{
  return akm == WPA_KEY_MGMT_FT_PSK ||
    akm == WPA_KEY_MGMT_FT_IEEE8021X;
}

static inline int wpa_key_mgmt_sha256(int akm)
{
  return akm == WPA_KEY_MGMT_PSK_SHA256 ||
    akm == WPA_KEY_MGMT_IEEE8021X_SHA256;
}


#define WPA_PROTO_WPA BIT(0)
#define WPA_PROTO_RSN BIT(1)

#define WPA_AUTH_ALG_OPEN BIT(0)
#define WPA_AUTH_ALG_SHARED BIT(1)
#define WPA_AUTH_ALG_LEAP BIT(2)


typedef enum { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP,
         WPA_ALG_IGTK, WPA_ALG_PMK } wpa_alg;
typedef enum { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP,
         CIPHER_WEP104 } wpa_cipher;
typedef enum { KEY_MGMT_802_1X, KEY_MGMT_PSK, KEY_MGMT_NONE,
         KEY_MGMT_802_1X_NO_WPA, KEY_MGMT_WPA_NONE,
         KEY_MGMT_FT_802_1X, KEY_MGMT_FT_PSK,
         KEY_MGMT_802_1X_SHA256, KEY_MGMT_PSK_SHA256,
         KEY_MGMT_WPS
#ifdef CONFIG_CCKM
           ,KEY_MGMT_CCKM
#endif
} wpa_key_mgmt;

/**
 * enum wpa_states - wpa_supplicant state
 *
 * These enumeration values are used to indicate the current wpa_supplicant
 * state (wpa_s->wpa_state). The current state can be retrieved with
 * wpa_supplicant_get_state() function and the state can be changed by calling
 * wpa_supplicant_set_state(). In WPA state machine (wpa.c and preauth.c), the
 * wrapper functions wpa_sm_get_state() and wpa_sm_set_state() should be used
 * to access the state variable.
 */
typedef enum {
  /**
   * WPA_DISCONNECTED - Disconnected state
   *
   * This state indicates that client is not associated, but is likely to
   * start looking for an access point. This state is entered when a
   * connection is lost.
   */
  WPA_DISCONNECTED,

  /**
   * WPA_INACTIVE - Inactive state (wpa_supplicant disabled)
   *
   * This state is entered if there are no enabled networks in the
   * configuration. wpa_supplicant is not trying to associate with a new
   * network and external interaction (e.g., ctrl_iface call to add or
   * enable a network) is needed to start association.
   */
  WPA_INACTIVE,

  /**
   * WPA_SCANNING - Scanning for a network
   *
   * This state is entered when wpa_supplicant starts scanning for a
   * network.
   */
  WPA_SCANNING,

  /**
   * WPA_ASSOCIATING - Trying to associate with a BSS/SSID
   *
   * This state is entered when wpa_supplicant has found a suitable BSS
   * to associate with and the driver is configured to try to associate
   * with this BSS in ap_scan=1 mode. When using ap_scan=2 mode, this
   * state is entered when the driver is configured to try to associate
   * with a network using the configured SSID and security policy.
   */
  WPA_ASSOCIATING,

  /**
   * WPA_ASSOCIATED - Association completed
   *
   * This state is entered when the driver reports that association has
   * been successfully completed with an AP. If IEEE 802.1X is used
   * (with or without WPA/WPA2), wpa_supplicant remains in this state
   * until the IEEE 802.1X/EAPOL authentication has been completed.
   */
  WPA_ASSOCIATED,

  /**
   * WPA_4WAY_HANDSHAKE - WPA 4-Way Key Handshake in progress
   *
   * This state is entered when WPA/WPA2 4-Way Handshake is started. In
   * case of WPA-PSK, this happens when receiving the first EAPOL-Key
   * frame after association. In case of WPA-EAP, this state is entered
   * when the IEEE 802.1X/EAPOL authentication has been completed.
   */
  WPA_4WAY_HANDSHAKE,

  /**
   * WPA_GROUP_HANDSHAKE - WPA Group Key Handshake in progress
   *
   * This state is entered when 4-Way Key Handshake has been completed
   * (i.e., when the supplicant sends out message 4/4) and when Group
   * Key rekeying is started by the AP (i.e., when supplicant receives
   * message 1/2).
   */
  WPA_GROUP_HANDSHAKE,

  /**
   * WPA_COMPLETED - All authentication completed
   *
   * This state is entered when the full authentication process is
   * completed. In case of WPA2, this happens when the 4-Way Handshake is
   * successfully completed. With WPA, this state is entered after the
   * Group Key Handshake; with IEEE 802.1X (non-WPA) connection is
   * completed after dynamic keys are received (or if not used, after
   * the EAP authentication has been completed). With static WEP keys and
   * plaintext connections, this state is entered when an association
   * has been completed.
   *
   * This state indicates that the supplicant has completed its
   * processing for the association phase and that data connection is
   * fully configured.
   */
  WPA_COMPLETED
} wpa_states;

#define MLME_SETPROTECTION_PROTECT_TYPE_NONE 0
#define MLME_SETPROTECTION_PROTECT_TYPE_RX 1
#define MLME_SETPROTECTION_PROTECT_TYPE_TX 2
#define MLME_SETPROTECTION_PROTECT_TYPE_RX_TX 3

#define MLME_SETPROTECTION_KEY_TYPE_GROUP 0
#define MLME_SETPROTECTION_KEY_TYPE_PAIRWISE 1

#endif /* DEFS_H */
